Subtract 25/70 from 1/98
1/98 - 25/70 is -17/49.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 70 is 490
Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 98 × 5 = 490,
1/98 = 1 × 5/98 × 5 = 5/490 - Likewise, for the 2nd fraction, since 70 × 7 = 490,
25/70 = 25 × 7/70 × 7 = 175/490 - Subtract the two like fractions:
5/490 - 175/490 = 5 - 175/490 = -170/490 - After reducing the fraction, the answer is -17/49
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/98-25/70 1/98-50/70 3/98-25/70 1/98-75/70 5/98-25/70 7/98-25/70